they circled back to city hall, they struck three banks, sears, the three banks and cars parked along the street. >> i don't know how they believe that we are part of the enemy. we're just hard-working people. >> they just have nothing to do except this. >> it makes me very sad. >> what? because we have a nice car? we work hard for our money. >> and to see our home town coming to challenges like this? >> reporter: from what we can deal, the building with the most damage, california bank. it will cost thousands of dollars to replace at least nine broken windows that we counted. right now they are power spraying some of the paint off. the march only lasted about 30, 40 minutes. police say it wasn't enough time respond or come to mutual aid. live in oakland, i'm tara moriarty, ktvu channel 2 news. >>> and in san francisco, an occupy protest there on saturday ended in almost two dozen arrests. police say the protesters tried to block the streets and the businesses. they also say some of the activities threwob jects at police hitting one officer in the head. >> protesters threw ziplock bag